Check if the date and time displayed on the status screen are correct.

To change the clock:

1) Enter the menu 
2) Enter Preferences,,,
3) Enter, ,,Set Date/Time
4). Using, ,,,correct the value of each field
5) Navigate to Save,,, and execute,,
6) (optional) Return to the Status Screen using, , (2x)

The clock cannot be set to a date further back then the build date of the software. This is a trigger to detect an empty clock battery (which is rechargeable).

This battery will only keep time for about a week when there’s no power connected. The build date is 2022‑07‑27 as of software version 1.7.3.